Toucans, tits and other birds. Fun tasks

The books in the series "Math for preschoolers and older kids" will introduce your child to the basic mathematical and physical concepts. The material in the books is presented briefly and simply — only the most important information on the... subject and bright, clear illustrations that will certainly be remembered by your little mathematician and make the lessons interesting.
The author of the books is David Abraham Adler, a well-known popularizer of science who has written over 250 books for children and teenagers. His works have helped many children understand and love the exact sciences.
How to learn to solve various mathematical tasks without getting bored? Easy! This book is a collection of engaging tasks. By solving them, your child will learn the basic arithmetic operations — addition, subtraction, multiplication, and division.